[PATCH 15/30] Unionfs: remove unnecessary lock when deleting whiteouts

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Lockdep complained, because we eventually call vfs_unlink which'd grab the
necessary locks.

Signed-off-by: Erez Zadok <[email protected]>
---
 fs/unionfs/dirhelper.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/fs/unionfs/dirhelper.c b/fs/unionfs/dirhelper.c
index 2e52fc3..b40090a 100644
--- a/fs/unionfs/dirhelper.c
+++ b/fs/unionfs/dirhelper.c
@@ -110,7 +110,6 @@ int delete_whiteouts(struct dentry *dentry, int bindex,
 	lower_dir = lower_dir_dentry->d_inode;
 	BUG_ON(!S_ISDIR(lower_dir->i_mode));
 
-	mutex_lock(&lower_dir->i_mutex);
 	if (!permission(lower_dir, MAY_WRITE | MAY_EXEC, NULL)) {
 		err = do_delete_whiteouts(dentry, bindex, namelist);
 	} else {
@@ -120,7 +119,6 @@ int delete_whiteouts(struct dentry *dentry, int bindex,
 		run_sioq(__delete_whiteouts, &args);
 		err = args.err;
 	}
-	mutex_unlock(&lower_dir->i_mutex);
 
 out:
 	return err;
-- 
1.5.2.2

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